Table 1

Summary of key abnormalities sought on reread CT

Variable425 Reread patients
Values in parentheses are %.
Extradural haematoma (EDH):
    Yes74 (17)
    No347 (82)
    Missing4
Subdural haematoma (SDH):
    Yes182 (43)
    No240 (56)
    Missing3
Subarachnoid haemorrhage (SAH):
    Yes150 (35)
    No272 (64)
    Missing3
Midline shift:
    Yes182 (43)
    No241 (57)
    Missing2
Third ventricle:
    Normal264 (62)
    Abnormal (squashed)159 (38)
    Missing2
TCDB classification:
    Diffuse I55 (13)
    Diffuse II146 (34)
    Diffuse III66 (16)
    Diffuse IV18 (4)
    Evacuated mass lesion57 (13)
    Non-evacuated mass lesion4 (1)
    Mass lesion (evacuation uncertain)79 (19)
    Missing0
Overall appearance:
    Normal52 (12)
    Mild focal injury25 (6)
    Medium focal injury38 (9)
    Mild/moderate diffuse injury123 (29)
    Massive focal (± diffuse)125 (29)
    Massive diffuse (± focal)62 (15)
    Missing0